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Wago connectors with too many wires

The electrician who wired my (new) home takes the live feed to a light switch in each room (rather than to the rose). Thus each room has a light switch back box with four neutrals commoned in a WAGO 2273 connector (feed in, feed onward, wiring to luminaire, wiring to spots). I'm guessing the spots were a surprise to him as he seems only to have had a stock of 3-way WAGO connectors. He's consistently managed to wedge four 1mmsq wires into a 3-way WAGO 2273.

I know this is wrong, the "extra" wire just can't be clamped like the WAGO design intended. What is driving me nuts is that nowhere can I find it written down that it is wrong !

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0 Chris Pearson over 3 years ago

There appears to be an error in the data sheet: https://wago.priintcloud.com/datasheets/2273-203/en/d2b822af06e35fee01cfbb9f672d4e89?attempt=1&signature=addde37dc3fc658431d20e94856bb823_1g0bva58k

Whilst it specifies "3-conductor", it also says, "Push-in termination of up to eight solid conductors". I think that this sentence is common to all the sizes with the biggest one being 8-conductor, whereas the software which generates the .pdf should have chosen the number properly.
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0 Chris Pearson over 3 years ago

There appears to be an error in the data sheet: https://wago.priintcloud.com/datasheets/2273-203/en/d2b822af06e35fee01cfbb9f672d4e89?attempt=1&signature=addde37dc3fc658431d20e94856bb823_1g0bva58k

Whilst it specifies "3-conductor", it also says, "Push-in termination of up to eight solid conductors". I think that this sentence is common to all the sizes with the biggest one being 8-conductor, whereas the software which generates the .pdf should have chosen the number properly.
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0 gkenyon over 3 years ago in reply to Chris Pearson

I agree that bit could be clearer.

This outlet's web-site says that the 2273's can be used with solid or stranded: https://www.screwfix.com/p/wago-2773-series-32a-3-way-push-wire-connector-100-pack/428PF?tc=VB2&ds_kid=92700055281954475&ds_rl=1249401&gclid=CjwKCAjwo8-SBhAlEiwAopc9W79fkVlNcWzLm8UGy9UfQbcqY1LeOKlcHhOdThx33BdriwxK5DuDpBoC36IQAvD_BwE&gclsrc=aw.ds

EDIT - not that this outlet is wrong according to the manufacturer's full product data, just that preparation using crimp pin or ferrule is required for stranded (or flexible, for that matter, yet the outlet doesn't mention that) ...

But this one says solid only: https://uk.farnell.com/wago/2273-203/terminal-block-pluggable-3pos/dp/2428569?gclid=CjwKCAjwo8-SBhAlEiwAopc9W9ALWNopXJSYKlpSJCt2uLqCNb7x_x-QeJHFh0tVdvy28ynt69ypzRoCMoUQAvD_BwE

Just to be clear, though, I think the types of conductor are now shown on the boxes as well as moulded into the connector, clearly shows solid only (unless WAGO have more recently changed their specification):
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Wago connectors with too many wires

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